Year 3
Year 3

To identify perpendicular lines

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Lesson details

Key learning points

  1. In this lesson, we will build on our knowledge of angles, in particular right angles, and learn to identify perpendicular lines. We will look at these individually and within 2D shapes, as well as having a chance to find these ourselves.

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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
An acute angle is one which is...
bigger than a right angle
Correct answer: smaller than a right angle
Q2.
If an angle is 1 quarter turn, it must be a
an acute angle
an obtuse angle
Correct answer: right angle
Q3.
How many internal angles does a square have?
1
2
Correct answer: 4
8
Q4.
True or false, if a shape has 4 right angles, it must be a square?
Correct answer: False
True
Q5.
Angles measure...
distance
height
temperature
Correct answer: the space between 2 intersecting lines

4 Questions

Q1.
Perpendicular lines are...
any lines in 2-D shapes
Correct answer: lines that do (or would) meet at a right angle
lines which meet at an acute angle
Q2.
Squares (like the one below) contain 4 pairs of perpendicular lines. True or false?
An image in a quiz
False
Correct answer: True
Q3.
True or false, the two arrowed lines below are showing perpendicular lines.
An image in a quiz
Correct answer: False
True
Q4.
How many pairs of perpendicular lines can you find in the shape below?
An image in a quiz
0
Correct answer: 1
2
3